Automatic chronometer movement with 28,800 vph and ~70 hours power reserve; Ref: AB011012/B967.743P.A20BA.1; Black dial featuring luminous elements for night-readability; Silver-tone stainless steel case; Sapphire crystal resistant to scratches; Includes date display located between 4 and 5 o'clock; Analog chronograph functions via three sub-dials (60-second, 30-minute, 12-hour); Tachymeter scale integrated around the outer rim; Unidirectional rotating silver-tone stainless steel bezel for dive functionality; Case size: 44mm round shape; Equipped with screw-down crown and solid case back enhancing water resistance to 500 meters (approx. 1650 feet) - suitable for professional diving depths.